Add and Subtract Decimals

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole, using a point (.) to separate the whole number part from the fractional part.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

What is the sum of 2.5 and 3.75?

Back

6.25

Front

What is the difference between 4.8 and 1.5?

Back

3.3

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is easier to work with, often to a certain number of decimal places.

Front

What is the value of 0.1 in terms of fractions?

Back

0.1 is equal to 1/10.

Front

If you have $10.50 and you spend $3.25, how much do you have left?

Back

$7.25

Front

What is 5.6 + 2.4?

Back

8.0

Front

What is 7.89 - 2.34?

Back

5.55